Unfortunately this seems to be an issue with Unity's current version of exporting to webgl and some versions of Google Chrome. I will be sure to update when they resolve the issue. In the interim, please try refreshing the page (others reported this solving the issue) or trying a different browser. Sorry for the inconvenience and thank you for your patience.
Found a little bug:
in the Automation Menu, if you have points to automate tasks and autoupgrade is "on", clicking on the "on" again decreases the remaining points, clicking on "off" only gives one point back (lost 3 points that way, because i wanted to get sure that it's a bug)
(and sorry if my english is not perfect, not a native speaker ^^ )
Maybe you could add the possibility, to buy better weapons? :) For example a Shotgun, Sniper Rifle, etc ...
(Sorry if my english is not perfect, i am not a native speaker ;) )
 "Pawnbarian"){kind=icon}
 "The Dark One"){kind=icon}
 "Mr Tulip Head's Puzzle Garden"){kind=icon}
 "Galactic Grind"){kind=icon}
 "SPACEPLAN Prototype"){kind=icon}
 "Time Clickers"){kind=icon}
 "Dynetzzle"){kind=icon}
Unfortunately this seems to be an issue with Unity's current version of exporting to webgl and some versions of Google Chrome. I will be sure to update when they resolve the issue. In the interim, please try refreshing the page (others reported this solving the issue) or trying a different browser. Sorry for the inconvenience and thank you for your patience.